- From Paracelsus to Newton: Magic and the Making of Modern Science (Arthur Stanley Eddington Memorial Lecture)
- National Health Service: A Political History
- Paracelsus: Medicine, Magic and Mission at the End of Time
- A sermon on public worship and instruction, preached on Sunday 4th September 1791, at the opening of St Peter's Chapel, Edinburgh: ... By ... Charles Webster.
- Medicinae praxeos systema, ex Academiae Edinburgenae disputationibus inauguralibus praecipue depromptum, et secundum naturae ordinem digestum. Curante ... Webster, ... Volume 2 of 2